<!DOCTYPE html>
<html lang="en" xmlns="http://www.w3.org/1999/xhtml" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8"/>
    <title>Title</title>
</head>
<body>
    themyef
    <br>
    {hello}
    <br>
    <p th:text="${hello}">打底值</p>
</body>
</html>